@article{JSFU_2021_14_5_a12,
     author = {Roman V. Ulvert},
     title = {Connecting homomorphism and separating cycles},
     journal = {\v{Z}urnal Sibirskogo federalʹnogo universiteta. Matematika i fizika},
     pages = {647--658},
     publisher = {mathdoc},
     volume = {14},
     number = {5},
     year = {2021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JSFU_2021_14_5_a12/}
}